drive: Remove FakeCacheMetadata

chrome/browser/chromeos/drive/file_cache.h

Index: chrome/browser/chromeos/drive/file_cache.h
diff --git a/chrome/browser/chromeos/drive/file_cache.h b/chrome/browser/chromeos/drive/file_cache.h
index 3d3e303e190b48d27489124fa633bc5f8a29d446..76bd4a511ab22675a05abf3b6702e8e70b193b86 100644
--- a/chrome/browser/chromeos/drive/file_cache.h
+++ b/chrome/browser/chromeos/drive/file_cache.h
@@ -276,9 +276,6 @@ class FileCache {
   // |callback| must not be null.
   void RequestInitialize(const InitializeCacheCallback& callback);
 
-  // Utility method to call InitializeForTesting on UI thread.
-  void RequestInitializeForTesting();
-
   // Destroys this cache. This function posts a task to the blocking task
   // runner to safely delete the object.
   // Must be called on the UI thread.
@@ -328,10 +325,6 @@ class FileCache {
   // Initializes the cache. Returns true on success.
   bool InitializeOnBlockingPool();
 
-  // Initializes the cache with in-memory cache for testing.
-  // The in-memory cache is used since it's faster than the db.
-  void InitializeOnBlockingPoolForTesting();
-
   // Destroys the cache on the blocking pool.
   void DestroyOnBlockingPool();